#region License
/* Copyright (c) 2011 Maksymilian Mulawa
	
Redistribution and use in source and binary forms, with or without modification, 
 * are permitted provided that the following conditions are met:

   1. Redistributions of source code must retain the above copyright notice, 
 * this list of conditions and the following disclaimer.
   2. Redistributions in binary form must reproduce the above copyright notice, 
 * this list of conditions and the following disclaimer in the documentation 
 * and/or other materials provided with the distribution.
   3. The name of the author may not be used to endorse or promote products 
 * derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 
 * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 
 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 
 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#endregion

using System.Xml.XPath;
using Weather.com.Client.Exceptions;
using Weather.com.Client.WeatherConditions.Common;

namespace Weather.com.Client.WeatherConditions.CurrentConditions
{
    internal class ConditionsFactory
    {
        internal Conditions Create(XPathNavigator navigator)
        {
            Conditions conditions = new Conditions();
            XPathNodeIterator iterator = navigator.Select("/weather/cc");
            if (iterator.MoveNext())
            {
                XPathNavigator node = iterator.Current;
                conditions.LastObservationDateTime = node.SelectSingleNode("lsup").Value;
                conditions.Temperature = node.SelectSingleNode("tmp").Value;
                conditions.FeelsLikeTemperature = node.SelectSingleNode("flik").Value;
                conditions.WeatherDescriptionPhrase = node.SelectSingleNode("t").Value;
                conditions.WeatherIconCode = node.SelectSingleNode("icon").Value;
                conditions.BarometricPressure = node.SelectSingleNode("bar/r").Value;
                conditions.BarometricTrend = node.SelectSingleNode("bar/d").Value;
                conditions.Wind = new WindConditionsFactory().Create(node);
                conditions.RelativeHumidity = node.SelectSingleNode("hmid").Value;
                conditions.UVIndex = node.SelectSingleNode("uv/i").Value;
                conditions.UVIndexDescription = node.SelectSingleNode("uv/t").Value;
                conditions.Visibility = node.SelectSingleNode("vis").Value;
                conditions.DewPoint = node.SelectSingleNode("dewp").Value;
                conditions.MoonPhaseDescription = node.SelectSingleNode("moon/t").Value;
                conditions.MoonIconCode = node.SelectSingleNode("moon/icon").Value;
            }
            else
            {
                throw new CouldNotLocateWeatherXmlHeadExcetion();
            }

            return conditions;
        }
    }
}